Preparation; Removal - Mercury MerCruiser MCM 454 Mag MPI Service Manual

Table of Contents

SERVICE MANUAL NUMBER 23

Preparation

1. Disconnect battery cables from battery.

2. Remove instrument panel harness connector plug from engine harness receptacle after

3. Using wrench to stabilize brass coupling at fuel inlet, loosen fuel line fitting, disconnect

4. Disconnect throttle cable and retain locknuts and hardware.

5. Disconnect shift cable from transmission.

6. Disconnect seawater inlet hose from engine.

7. Disconnect exhaust system hoses.

8. Disconnect any grounding wires and accessories that are connected to engine.

9. Disconnect propeller shaft coupler from transmission output flange.

Be careful when working on fuel system. Gasoline is extremely flammable and

highly explosive under certain conditions. Do not smoke or allow spark or open

flame in area. Wipe up any spilled fuel immediately.

Center lifting eye (located on top of thermostat housing) is used for engine align-

ment only. DO NOT use to lift entire engine.

DO NOT allow lifting sling to hook or compress engine components or damage to

them will occur.

1. Support engine with suitable sling through lifting eyes on engine.

90-861326--1 MARCH 1999

Downloaded from

https://needmanual.com/

loosening clamp.

and suitably plug fuel line to prevent fuel in tank from leaking into bilge.

Suitable Sling

Engine Lifting Eyes

MIE MODELS - VELVET DRIVE TRANSMISSION

Table of Contents